Charleston, Mississippi · field elev 175 ft
Density Altitude at Charleston Municipal (09M)
Charleston Municipal sits at 175 ft, and even a typical July afternoon (92 °F) only lifts density altitude to about 2,335 ft — heat still trims performance, but the field rarely turns high-and-hot.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 44.3 | −750 ft | 53.0 | −163 ft |
| February | 48.4 | −472 ft | 57.6 | 142 ft |
| March | 56.6 | 76 ft | 67.3 | 775 ft |
| April | 64.9 | 620 ft | 75.6 | 1,305 ft |
| May | 73.6 | 1,178 ft | 83.5 | 1,800 ft |
| June | 79.7 | 1,563 ft | 89.0 | 2,139 ft |
| July | 82.5 | 1,738 ft | 92.2 | 2,335 ft |
| August | 81.9 | 1,700 ft | 92.1 | 2,329 ft |
| September | 76.7 | 1,374 ft | 87.7 | 2,060 ft |
| October | 65.6 | 665 ft | 77.4 | 1,418 ft |
| November | 54.2 | −83 ft | 64.8 | 613 ft |
| December | 47.2 | −553 ft | 56.1 | 43 ft |
▲ above 5,000 ft · ⚠ above 8,000 ft. These are planning references at standard pressure and dry air — afternoon humidity and low pressure both push the real number higher. Run today's values below.
Run today’s numbers for 09M
DENSITY ALTITUDE
Field elevation 175 ft — the air behaves like 2,323 ft.
- PRESSURE ALT
- 176 ft
- ISA DEVIATION
- —
- RULE-OF-THUMB DA
- —
- AIR DENSITY INDEX
- —
- AIR DENSITY
- —
- WATER · GRAINS/LB
- —
For training and reference · verify with official sources and your POH before flight · no tool on this site renders a go / no-go judgment
Nearby Mississippi fields
- KGNF — Grenada Municipal
Grenada · elev 208 ft
- KMMS — Selfs
Marks · elev 162 ft
- 33M — Water Valley Municipal
Water Valley · elev 270 ft
- KPMU — Panola County
Batesville · elev 221 ft
- M37 — Ruleville-Drew
Drew · elev 137 ft
- KCKM — Fletcher Field
Clarksdale · elev 173 ft
- KGWO — Greenwood-Leflore
Greenwood · elev 162 ft
- KUOX — University-Oxford
Oxford · elev 452 ft
Frequently asked questions
How high does density altitude get at 09M in summer?
On a typical July afternoon — around 92 °F at the nearest NOAA normals station — density altitude at Charleston Municipal reaches roughly 2,335 ft at standard pressure. Hotter-than-normal days, low pressure, and humidity all push it higher, so run the day's actual numbers before flying.
What is the density altitude at 09M on an average day?
It swings with the seasons: from roughly −750 ft at the coldest month's average temperature to about 1,738 ft at the warmest month's — all from a constant field elevation of 175 ft. The month-by-month table above carries the full year.
What is the field elevation of Charleston Municipal?
175 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 09M (FAA), in Charleston, Mississippi.